Omron CPM2A - 11-2005 Manual page 43

Comparison with the CPM1A
Item
Interval timer
One-shot mode
Scheduled interrupt mode
Quick-response
Setting the quick-response
inputs pu s
function
INT(89) (Mask)
INT(89) (Read mask)
INT(89) (Clear)
Minimum pulse width
High-speed
Count mode
counter
Max. counter frequency
Counter PV range
Check when registering target
value match table
Method used to reference the
target value match interrupt
table
Reading range-comparison
results
Reading status
Pulse synchronization
22
CPM2A
Yes
Yes
PC Setup
Not supported (ignored)
Reads mask status.
Not supported (ignored)
50 µs min.
Differential-phase (up/down)
mode
Pulse plus direction mode
Up/down pulse mode
Increment mode
5 kHz in differential-phase
(up/down) mode
20 kHz in pulse plus direction
mode, up/down pulse mode,
and increment mode
–8,388,608 to 8,388,607 in
differential-phase (up/down)
mode, pulse plus direction
mode, and up/down pulse
mode
0 to 16,777,215 in increment
mode
Same direction, same SV not
possible
Comparison of all values in the
table, regardless of order of
appearance in table
Check AR 1100 to AR 1107 or
execute PRV(62).
Check AR 1108 (comparison in
progress), check AR 1109
(high-speed counter PV
overflow/underflow), or
execute PRV(62).
Supported.
Section
CPM1A
Yes
Yes
PC Setup and INT(89)
(Unmask interrupt input.)
Supported.
Reads result of mask setting.
Supported.
200 µs min.
Differential-phase (up/down)
mode
Increment mode
2.5 kHz in differential-phase
(up/down) mode,
5 kHz in increment mode
–32,768 to 32,767 in
differential-phase (up/down)
mode
0 to 65,535 in increment mode
Same direction, same SV
possible
Comparison in order of
appearance in table
Check AR 1100 to AR 1107.
---
Not supported.
1-5